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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/gl/gl_context.h" | 5 #include "ui/gl/gl_context.h" |
6 | 6 |
7 #include "base/android/sys_utils.h" | |
8 #include "base/logging.h" | 7 #include "base/logging.h" |
9 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
10 #include "base/sys_info.h" | 9 #include "base/sys_info.h" |
11 #include "ui/gl/gl_bindings.h" | 10 #include "ui/gl/gl_bindings.h" |
12 #include "ui/gl/gl_context_egl.h" | 11 #include "ui/gl/gl_context_egl.h" |
13 #include "ui/gl/gl_context_osmesa.h" | 12 #include "ui/gl/gl_context_osmesa.h" |
14 #include "ui/gl/gl_context_stub.h" | 13 #include "ui/gl/gl_context_stub.h" |
15 #include "ui/gl/gl_implementation.h" | 14 #include "ui/gl/gl_implementation.h" |
16 #include "ui/gl/gl_surface.h" | 15 #include "ui/gl/gl_surface.h" |
17 | 16 |
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121 // Droid Razr M(1GB) 114MB (normally 57MB) | 120 // Droid Razr M(1GB) 114MB (normally 57MB) |
122 // Galaxy Nexus(1GB) 100MB (normally 50MB) | 121 // Galaxy Nexus(1GB) 100MB (normally 50MB) |
123 // Xoom(1GB) 100MB (normally 50MB) | 122 // Xoom(1GB) 100MB (normally 50MB) |
124 // Nexus S(low-end) 12MB (normally 8MB) | 123 // Nexus S(low-end) 12MB (normally 8MB) |
125 // Note that the compositor now uses only some of this memory for | 124 // Note that the compositor now uses only some of this memory for |
126 // pre-painting and uses the rest only for 'emergencies'. | 125 // pre-painting and uses the rest only for 'emergencies'. |
127 static size_t limit_bytes = 0; | 126 static size_t limit_bytes = 0; |
128 if (limit_bytes == 0) { | 127 if (limit_bytes == 0) { |
129 // NOTE: Non-low-end devices use only 50% of these limits, | 128 // NOTE: Non-low-end devices use only 50% of these limits, |
130 // except during 'emergencies' where 100% can be used. | 129 // except during 'emergencies' where 100% can be used. |
131 if (!base::android::SysUtils::IsLowEndDevice()) { | 130 if (!base::SysInfo::IsLowEndDevice()) { |
132 if (physical_memory_mb >= 1536) | 131 if (physical_memory_mb >= 1536) |
133 limit_bytes = physical_memory_mb / 8; // >192MB | 132 limit_bytes = physical_memory_mb / 8; // >192MB |
134 else if (physical_memory_mb >= 1152) | 133 else if (physical_memory_mb >= 1152) |
135 limit_bytes = physical_memory_mb / 8; // >144MB | 134 limit_bytes = physical_memory_mb / 8; // >144MB |
136 else if (physical_memory_mb >= 768) | 135 else if (physical_memory_mb >= 768) |
137 limit_bytes = physical_memory_mb / 10; // >76MB | 136 limit_bytes = physical_memory_mb / 10; // >76MB |
138 else | 137 else |
139 limit_bytes = physical_memory_mb / 12; // <64MB | 138 limit_bytes = physical_memory_mb / 12; // <64MB |
140 } else { | 139 } else { |
141 // Low-end devices have 512MB or less memory by definition | 140 // Low-end devices have 512MB or less memory by definition |
142 // so we hard code the limit rather than relying on the heuristics | 141 // so we hard code the limit rather than relying on the heuristics |
143 // above. Low-end devices use 4444 textures so we can use a lower limit. | 142 // above. Low-end devices use 4444 textures so we can use a lower limit. |
144 // NOTE: Low-end uses 2/3 (67%) of this memory in practice, so we have | 143 // NOTE: Low-end uses 2/3 (67%) of this memory in practice, so we have |
145 // increased the limit to 12 (8MB, or 12MB in emergencies). | 144 // increased the limit to 12 (8MB, or 12MB in emergencies). |
146 limit_bytes = 12; | 145 limit_bytes = 12; |
147 } | 146 } |
148 limit_bytes = limit_bytes * 1024 * 1024; | 147 limit_bytes = limit_bytes * 1024 * 1024; |
149 } | 148 } |
150 *bytes = limit_bytes; | 149 *bytes = limit_bytes; |
151 return true; | 150 return true; |
152 } | 151 } |
153 | 152 |
154 } | 153 } |
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